215062680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 740275200

約数和(自身を除く): 525212520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 503, 509, 840, 1006, 1018, 1509, 1527, 2012, 2036, 2515, 2545, 3018, 3054, 3521, 3563, 4024, 4072, 5030, 5090, 6036, 6108, 7042, 7126, 7545, 7635, 10060, 10180, 10563, 10689, 12072, 12216, 14084, 14252, 15090, 15270, 17605, 17815, 20120, 20360, 21126, 21378, 28168, 28504, 30180, 30540, 35210, 35630, 42252, 42756, 52815, 53445, 60360, 61080, 70420, 71260, 84504, 85512, 105630, 106890, 140840, 142520, 211260, 213780, 256027, 422520, 427560, 512054, 768081, 1024108, 1280135, 1536162, 1792189, 2048216, 2560270, 3072324, 3584378, 3840405, 5120540, 5376567, 6144648, 7168756, 7680810, 8960945, 10241080, 10753134, 14337512, 15361620, 17921890, 21506268, 26882835, 30723240, 35843780, 43012536, 53765670, 71687560, 107531340, 215062680]

約数ペア:

[(1, 215062680), (2, 107531340), (3, 71687560), (4, 53765670), (5, 43012536), (6, 35843780), (7, 30723240), (8, 26882835), (10, 21506268), (12, 17921890), (14, 15361620), (15, 14337512), (20, 10753134), (21, 10241080), (24, 8960945), (28, 7680810), (30, 7168756), (35, 6144648), (40, 5376567), (42, 5120540), (56, 3840405), (60, 3584378), (70, 3072324), (84, 2560270), (105, 2048216), (120, 1792189), (140, 1536162), (168, 1280135), (210, 1024108), (280, 768081), (420, 512054), (503, 427560), (509, 422520), (840, 256027), (1006, 213780), (1018, 211260), (1509, 142520), (1527, 140840), (2012, 106890), (2036, 105630), (2515, 85512), (2545, 84504), (3018, 71260), (3054, 70420), (3521, 61080), (3563, 60360), (4024, 53445), (4072, 52815), (5030, 42756), (5090, 42252), (6036, 35630), (6108, 35210), (7042, 30540), (7126, 30180), (7545, 28504), (7635, 28168), (10060, 21378), (10180, 21126), (10563, 20360), (10689, 20120), (12072, 17815), (12216, 17605), (14084, 15270), (14252, 15090)]